John Eastman is an American attorney and law professor known for his involvement in constitutional law and legal scholarship. He gained significant attention for his role in the legal challenges surrounding the 2020 United States presidential election, particularly regarding the actions of former President Donald Trump and the Electoral College process. Eastman served as a law professor at Chapman University and has written extensively on issues related to the U.S. Constitution. His legal opinions and strategies have sparked debate and controversy, especially concerning the interpretation of electoral law and the limits of executive power.